import _ from 'lodash-es';

angular.module('portainer.docker')
.controller('ServicesDatatableController', ['$scope', '$controller', 'DatatableService', 'EndpointProvider',
function ($scope, $controller, DatatableService, EndpointProvider) {

  angular.extend(this, $controller('GenericDatatableController', {$scope: $scope}));

  var ctrl = this;

  this.state = Object.assign(this.state,{
    expandAll: false,
    expandedItems: [],
    publicURL: EndpointProvider.endpointPublicURL()
  });

  this.expandAll = function() {
    this.state.expandAll = !this.state.expandAll;
    for (var i = 0; i < this.state.filteredDataSet.length; i++) {
      var item = this.state.filteredDataSet[i];
      this.expandItem(item, this.state.expandAll);
    }
  };

  this.expandItem = function(item, expanded) {
    item.Expanded = expanded;
    if (item.Expanded) {
      if (this.state.expandedItems.indexOf(item.Id) === -1) {
        this.state.expandedItems.push(item.Id);
      }
    } else {
      var index = this.state.expandedItems.indexOf(item.Id);
      if (index > -1) {
        this.state.expandedItems.splice(index, 1);
      }
    }
    DatatableService.setDataTableExpandedItems(this.tableKey, this.state.expandedItems);
  };

  function expandPreviouslyExpandedItem(item, storedExpandedItems) {
    var expandedItem = _.find(storedExpandedItems, function(storedId) {
      return item.Id === storedId;
    });

    if (expandedItem) {
      ctrl.expandItem(item, true);
    }
  }

  this.expandItems = function(storedExpandedItems) {
    var expandedItemCount = 0;
    this.state.expandedItems = storedExpandedItems;

    for (var i = 0; i < this.dataset.length; i++) {
      var item = this.dataset[i];
      expandPreviouslyExpandedItem(item, storedExpandedItems);
      if (item.Expanded) {
        ++expandedItemCount;
      }
    }

    if (expandedItemCount === this.dataset.length) {
      this.state.expandAll = true;
    }
  };

  this.$onInit = function() {
    this.setDefaults();
    this.prepareTableFromDataset();

    this.state.orderBy = this.orderBy;
    var storedOrder = DatatableService.getDataTableOrder(this.tableKey);
    if (storedOrder !== null) {
      this.state.reverseOrder = storedOrder.reverse;
      this.state.orderBy = storedOrder.orderBy;
    }

    var textFilter = DatatableService.getDataTableTextFilters(this.tableKey);
    if (textFilter !== null) {
      this.state.textFilter = textFilter;
      this.onTextFilterChange();
    }

    var storedFilters = DatatableService.getDataTableFilters(this.tableKey);
    if (storedFilters !== null) {
      this.filters = storedFilters;
    }
    if (this.filters && this.filters.state) {
      this.filters.state.open = false;
    }

    var storedExpandedItems = DatatableService.getDataTableExpandedItems(this.tableKey);
    if (storedExpandedItems !== null) {
      this.expandItems(storedExpandedItems);
    }

    var storedSettings = DatatableService.getDataTableSettings(this.tableKey);
    if (storedSettings !== null) {
      this.settings = storedSettings;
      this.settings.open = false;
    }
    this.onSettingsRepeaterChange();
  };
}]);
